formbook | 58912a62a4c325bc1997bd97f09b884540735290197443522210566132aeac83

General

Target

SD 1476187 85250296 MV ORIENT GLORY.xlsx
Size

2.1MB
MD5

4f1d51f64a4d78ad699ac9780766fd52
SHA1

c3e3aaf6e80f786b5098a29883454b37f1b01536
SHA256

58912a62a4c325bc1997bd97f09b884540735290197443522210566132aeac83
SHA512

2ff9d61996038e86ff1f38587051ef50d625ac9005bd5dd0790b7dfd087a547c9b198a019fe793f04f830fa58ed4e35450b6d3afc00df145903deb2dd633b968

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

C2

http://www.bytecommunication.com/aky/

Decoy

jeiksaoeklea.com

sagame-auto.net

soloseriolavoro.com

thecreatorsbook.com

superskritch.com

oroxequipment.com

heart-of-art.online

liwedfg.com

fisherofsouls.com

jota.xyz

nehyam.com

smart-contact-delivery.com

hoom.guru

dgryds.com

thesoakcpd.com

mishv.com

rings-factory.info

bero-craft-beers.com

podcastnamegenerators.com

856379813.xyz

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1660-20-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1660-21-0x000000000041EB60-mapping.dmp	formbook
behavioral1/memory/932-29-0x0000000000070000-0x000000000009E000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

6 1832 EQNEDT32.EXE
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

976 vbc.exe
1660 vbc.exe
Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

1832 EQNEDT32.EXE
1832 EQNEDT32.EXE
1832 EQNEDT32.EXE
1832 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

flow	pid	process
6	1832	EQNEDT32.EXE

pid	process
976	vbc.exe
1660	vbc.exe

pid	process
1832	EQNEDT32.EXE
1832	EQNEDT32.EXE
1832	EQNEDT32.EXE
1832	EQNEDT32.EXE

Suspicious use of SetThreadContext 3 IoCs

Processes:

vbc.exevbc.exewscript.exe

description	pid	process	target process
PID 976 set thread context of 1660	976	vbc.exe	vbc.exe
PID 1660 set thread context of 1276	1660	vbc.exe	Explorer.EXE
PID 932 set thread context of 1276	932	wscript.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

1832 EQNEDT32.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

pid	process
1832	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1684 EXCEL.EXE

pid	process
1684	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

vbc.exewscript.exe

pid	process
1660	vbc.exe
1660	vbc.exe
932	wscript.exe
932	wscript.exe
932	wscript.exe
932	wscript.exe
932	wscript.exe
932	wscript.exe
932	wscript.exe
932	wscript.exe
932	wscript.exe
932	wscript.exe
932	wscript.exe
932	wscript.exe
932	wscript.exe
932	wscript.exe
932	wscript.exe
932	wscript.exe
932	wscript.exe
932	wscript.exe
932	wscript.exe
932	wscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

vbc.exewscript.exe

pid process

1660 vbc.exe
1660 vbc.exe
1660 vbc.exe
932 wscript.exe
932 wscript.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

vbc.exewscript.exe

description pid process

Token: SeDebugPrivilege 1660 vbc.exe
Token: SeDebugPrivilege 932 wscript.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1684 EXCEL.EXE
1684 EXCEL.EXE
1684 EXCEL.EXE

description	pid	process
Token: SeDebugPrivilege	1660	vbc.exe
Token: SeDebugPrivilege	932	wscript.exe

pid	process
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE

pid	process
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE

pid	process
1684	EXCEL.EXE
1684	EXCEL.EXE
1684	EXCEL.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

EQNEDT32.EXEvbc.exeExplorer.EXEwscript.exe

description	pid	process	target process
PID 1832 wrote to memory of 976	1832	EQNEDT32.EXE	vbc.exe
PID 1832 wrote to memory of 976	1832	EQNEDT32.EXE	vbc.exe
PID 1832 wrote to memory of 976	1832	EQNEDT32.EXE	vbc.exe
PID 1832 wrote to memory of 976	1832	EQNEDT32.EXE	vbc.exe
PID 976 wrote to memory of 1660	976	vbc.exe	vbc.exe
PID 976 wrote to memory of 1660	976	vbc.exe	vbc.exe
PID 976 wrote to memory of 1660	976	vbc.exe	vbc.exe
PID 976 wrote to memory of 1660	976	vbc.exe	vbc.exe
PID 976 wrote to memory of 1660	976	vbc.exe	vbc.exe
PID 976 wrote to memory of 1660	976	vbc.exe	vbc.exe
PID 976 wrote to memory of 1660	976	vbc.exe	vbc.exe
PID 1276 wrote to memory of 932	1276	Explorer.EXE	wscript.exe
PID 1276 wrote to memory of 932	1276	Explorer.EXE	wscript.exe
PID 1276 wrote to memory of 932	1276	Explorer.EXE	wscript.exe
PID 1276 wrote to memory of 932	1276	Explorer.EXE	wscript.exe
PID 932 wrote to memory of 1792	932	wscript.exe	cmd.exe
PID 932 wrote to memory of 1792	932	wscript.exe	cmd.exe
PID 932 wrote to memory of 1792	932	wscript.exe	cmd.exe
PID 932 wrote to memory of 1792	932	wscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1276

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\SD 1476187 85250296 MV ORIENT GLORY.xlsx"
2⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1684

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:932

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Public\vbc.exe"
3⤵
PID:1792

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:1832

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:976

C:\Users\Public\vbc.exe
"{path}"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1660

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Exploitation for Client Execution

Scripting

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

Scripting

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Public\vbc.exe

MD5
50f6254a4635d1e5e588d80eb8987f4b

SHA1
61143c57867e6799e52bf6d3d456b4efd92ced41

SHA256
cc26bac0f47c7d3853f301243a6cca755b3eebd571133ddbb247998caa8d8682

SHA512
40d5714d0f9c0c5452e08c11b41540ac6e35558fdfcd343b56ac576a29b8a0ad3abb9265ab79a9eb683b9b6d0668aac5116abe441ecf260fea6b2b5f55985ddb

Download Submit
C:\Users\Public\vbc.exe

MD5
50f6254a4635d1e5e588d80eb8987f4b

SHA1
61143c57867e6799e52bf6d3d456b4efd92ced41

SHA256
cc26bac0f47c7d3853f301243a6cca755b3eebd571133ddbb247998caa8d8682

SHA512
40d5714d0f9c0c5452e08c11b41540ac6e35558fdfcd343b56ac576a29b8a0ad3abb9265ab79a9eb683b9b6d0668aac5116abe441ecf260fea6b2b5f55985ddb

Download Submit
C:\Users\Public\vbc.exe

MD5
50f6254a4635d1e5e588d80eb8987f4b

SHA1
61143c57867e6799e52bf6d3d456b4efd92ced41

SHA256
cc26bac0f47c7d3853f301243a6cca755b3eebd571133ddbb247998caa8d8682

SHA512
40d5714d0f9c0c5452e08c11b41540ac6e35558fdfcd343b56ac576a29b8a0ad3abb9265ab79a9eb683b9b6d0668aac5116abe441ecf260fea6b2b5f55985ddb

Download Submit
\Users\Public\vbc.exe

MD5
50f6254a4635d1e5e588d80eb8987f4b

SHA1
61143c57867e6799e52bf6d3d456b4efd92ced41

SHA256
cc26bac0f47c7d3853f301243a6cca755b3eebd571133ddbb247998caa8d8682

SHA512
40d5714d0f9c0c5452e08c11b41540ac6e35558fdfcd343b56ac576a29b8a0ad3abb9265ab79a9eb683b9b6d0668aac5116abe441ecf260fea6b2b5f55985ddb

Download Submit
\Users\Public\vbc.exe

MD5
50f6254a4635d1e5e588d80eb8987f4b

SHA1
61143c57867e6799e52bf6d3d456b4efd92ced41

SHA256
cc26bac0f47c7d3853f301243a6cca755b3eebd571133ddbb247998caa8d8682

SHA512
40d5714d0f9c0c5452e08c11b41540ac6e35558fdfcd343b56ac576a29b8a0ad3abb9265ab79a9eb683b9b6d0668aac5116abe441ecf260fea6b2b5f55985ddb

Download Submit
\Users\Public\vbc.exe

MD5
50f6254a4635d1e5e588d80eb8987f4b

SHA1
61143c57867e6799e52bf6d3d456b4efd92ced41

SHA256
cc26bac0f47c7d3853f301243a6cca755b3eebd571133ddbb247998caa8d8682

SHA512
40d5714d0f9c0c5452e08c11b41540ac6e35558fdfcd343b56ac576a29b8a0ad3abb9265ab79a9eb683b9b6d0668aac5116abe441ecf260fea6b2b5f55985ddb

Download Submit
\Users\Public\vbc.exe

MD5
50f6254a4635d1e5e588d80eb8987f4b

SHA1
61143c57867e6799e52bf6d3d456b4efd92ced41

SHA256
cc26bac0f47c7d3853f301243a6cca755b3eebd571133ddbb247998caa8d8682

SHA512
40d5714d0f9c0c5452e08c11b41540ac6e35558fdfcd343b56ac576a29b8a0ad3abb9265ab79a9eb683b9b6d0668aac5116abe441ecf260fea6b2b5f55985ddb

Download Submit
memory/932-32-0x0000000000A60000-0x0000000000AF3000-memory.dmp

Filesize
588KB

Download
memory/932-30-0x0000000002280000-0x0000000002583000-memory.dmp

Filesize
3.0MB

Download
memory/932-28-0x0000000000E50000-0x0000000000E76000-memory.dmp

Filesize
152KB

Download
memory/932-29-0x0000000000070000-0x000000000009E000-memory.dmp

Filesize
184KB

Download
memory/932-27-0x0000000000000000-mapping.dmp

Download
memory/976-17-0x0000000004D90000-0x0000000004D91000-memory.dmp

Filesize
4KB

Download
memory/976-15-0x0000000000940000-0x0000000000941000-memory.dmp

Filesize
4KB

Download
memory/976-18-0x0000000000440000-0x000000000044E000-memory.dmp

Filesize
56KB

Download
memory/976-19-0x0000000002130000-0x000000000217D000-memory.dmp

Filesize
308KB

Download
memory/976-11-0x0000000000000000-mapping.dmp

Download
memory/976-14-0x000000006CC20000-0x000000006D30E000-memory.dmp

Filesize
6.9MB

Download
memory/1276-33-0x0000000006B30000-0x0000000006C70000-memory.dmp

Filesize
1.2MB

Download
memory/1276-26-0x0000000004B60000-0x0000000004C22000-memory.dmp

Filesize
776KB

Download
memory/1660-25-0x0000000000430000-0x0000000000444000-memory.dmp

Filesize
80KB

Download
memory/1660-24-0x0000000000A50000-0x0000000000D53000-memory.dmp

Filesize
3.0MB

Download
memory/1660-21-0x000000000041EB60-mapping.dmp

Download
memory/1660-20-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1684-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1684-3-0x0000000071AC1000-0x0000000071AC3000-memory.dmp

Filesize
8KB

Download
memory/1684-2-0x000000002FB21000-0x000000002FB24000-memory.dmp

Filesize
12KB

Download
memory/1716-6-0x000007FEF68D0000-0x000007FEF6B4A000-memory.dmp

Filesize
2.5MB

Download
memory/1792-31-0x0000000000000000-mapping.dmp

Download
memory/1832-5-0x00000000756A1000-0x00000000756A3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads